From 9a6633b1a3603ccdffec669033616f9ebb35a988 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Wed, 19 Feb 2014 20:15:15 -0500 Subject: ext4: add ext4_es_store_pblock_status() Avoid false positives by static code analysis tools such as sparse and coverity caused by the fact that we set the physical block, and then the status in the extent_status structure. It is also more efficient to set both of these values at once. Addresses-Coverity-Id: #989077 Addresses-Coverity-Id: #989078 Addresses-Coverity-Id: #1080722 Signed-off-by: "Theodore Ts'o" Reviewed-by: Zheng Liu --- fs/ext4/extents_status.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'fs/ext4/extents_status.h') diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h index 167f4ab8ecc3..f1b62a419920 100644 --- a/fs/ext4/extents_status.h +++ b/fs/ext4/extents_status.h @@ -129,6 +129,15 @@ static inline void ext4_es_store_status(struct extent_status *es, (es->es_pblk & ~ES_MASK)); } +static inline void ext4_es_store_pblock_status(struct extent_status *es, + ext4_fsblk_t pb, + unsigned int status) +{ + es->es_pblk = (((ext4_fsblk_t) + (status & EXTENT_STATUS_FLAGS) << ES_SHIFT) | + (pb & ~ES_MASK)); +} + extern void ext4_es_register_shrinker(struct ext4_sb_info *sbi); extern void ext4_es_unregister_shrinker(struct ext4_sb_info *sbi); extern void ext4_es_lru_add(struct inode *inode); -- cgit v1.2.3